Below steps will help you show/hide your hard drive partitions with the help of Diskpart.
- Go to Start>Run.
- Type diskpart and click OK.

- Now write list volume in the CMD and click ENTER. The command prompt will open showing your partitions.

Suppose you want to hide the partition volume 6 labeled as DAD in above screen.
Hiding the partition:
- Enter command select volume 6 and press ENTER
- Enter command remove letter G and press ENTER
Hiding the partition:
- Enter command select volume 6 and press ENTER
- Enter command assign letter G and press ENTER














